求翻译：上海通利琴行隶属香港通利琴行旗下，全权代理上海地区的乐器销售和维护服务，也是施坦威钢琴在上海地区的独家代理商。是什么意思？

Shanghai Tom Lee Music Tom Lee Music in Hong Kong's membership, the sole sales agent in Shanghai and maintenance services of musical instruments, Steinway piano is the exclusive agent in the Shanghai area.

shanghai tom lee belonging to a Hong Kong flag under the Tom Lee, the credentials The Acting Shanghai region sales and maintenance services of musical instruments, as well as in the Shanghai region Steinway piano at the exclusive agent.

Shanghai passes the advantage qin line to subordinate Hong Kong to pass the advantage qin line to serve under somebody's banner, plenary powers acts the Shanghai area musical instrument sale and the maintenance service, also is Shi Tanwei the piano in Shanghai area own business agent.

Tom Lee music company in Shanghai under the Hong Kong subsidiary of Tom Lee music company, General Agency in Shanghai musical instrument sales and maintenance service, is also a Steinway piano in the Shanghai area sole agent.

Tom Lee music company in Shanghai under the Hong Kong subsidiary of Tom Lee music company, General Agency in Shanghai musical instrument sales and maintenance service, is also a Steinway piano in the Shanghai area sole agent.